Resolution:
An Astragal is an applied molding attached most commonly to the meeting edge of doors to:
Protection against weather conditions
Minimize the passage of light between the doors
Retard the passa...

Resolution:
Types of astragal offered from Steelcraft are as follows:
"Z" Astragal - For information on "Z" astragal types and attachment refer to the TD Manual page 3.3.17.
Most commonly used on double ...

Resolution:
ASTM E-119 is a test standard for walls, partitions and floor or roof systems:
This test standard is also used for ceramic type glasses when used as window wall and/or borrowed light frames.
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Resolution:
Intumescent seals or gaskets are not required on fire rated steel doors.
Generally speaking, the requirement for intumescent seals or gaskets are a function of the individual manufacturers’ listi...